LCN 4020 Series Drop Plate for Narrow Top Rail and Flush Ceiling ApplicationsEssential Installation Accessory for Restricted Head Frame ConditionsThe LCN 4020 Series Drop Plate is a specialized installation accessory designed to enable proper door closer mounting in applications with limited head frame clearance. Required where head frame dimensions are less than 3 7/16″ (87 mm), this drop plate accommodates narrow top rail and flush ceiling installations while maintaining optimal closer performance. The plate requires a minimum 1 3/4″ (44 mm) head frame depth and 2″ (51 mm) top rail with a maximum reveal of 3 7/8″ (98 mm).Professional Features & BenefitsCritical Dimension Compatibility: Designed for head frames less than 3 7/16″ (87 mm) where standard mounting is not feasible.Minimum Clearance Requirements: Accommodates installations with 1 3/4″ (44 mm) minimum head frame and 2″ (51 mm) top rail dimensions.Maximum Reveal Specification: Supports installations up to 3 7/8″ (98 mm) maximum reveal for versatile application compatibility.4020 Series Integration: Specifically engineered for seamless compatibility with LCN 4020 Series door closers.ADA Compliant Design: Meets accessibility requirements for commercial door control applications.Commercial-Grade Construction: Built for demanding commercial environments requiring reliable door control solutions.Installation Flexibility: Enables proper closer mounting in challenging architectural conditions including flush ceiling applications.Technical SpecificationsADA Compliant: YesCommercial/Residential: CommercialDepartment: Door HardwareParts and Accessories Type: Installation AccessoriesProduct Attribute: Parts and AccessoriesProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 4020-18Product Subgroup: Parts and AccessoriesProduct Type: Drop PlateSeries: 4020 SeriesSubcategory: Parts and AccessoriesProfessional ApplicationsCommercial Office Buildings with Limited Head Frame ClearanceEducational Facilities with Flush Ceiling ConstructionHealthcare Institutions Requiring ADA ComplianceRetail Establishments with Architectural ConstraintsIndustrial Facilities with Narrow Top Rail ConditionsMulti-Tenant Properties with Varied Door Frame SpecificationsGovernment Buildings Requiring Accessible Door Control SolutionsWhy Choose LCN Quality?LCN door control accessories deliver professional-grade reliability with precision-engineered compatibility for 4020 Series applications. ADA compliant design ensures accessibility compliance while accommodating challenging installation conditions. Engineered for demanding commercial applications where dependable door control performance is essential.